OpenTechnical

OT-2026-000067547

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000067547) never changes.

Identity and time

Publication numberOT-2026-000067547 · never reused
Internal UUID01a0ae8f-6bda-7808-8388-46290cbc27e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067547
StatusPUBLIC

Content hashes

Canonical text798741ca664cb79d1f8c6500ab84b1a24d32db7e0456a1c416d9d52c687a5977
Markdown8b8844a8ecd8f23026fb9ef73d449c050818af0717054ab350e76d06ee6c1d3e
PDF
Publication page06c76709460f68fd6fed291f5884cd02e9d0fe81099f15e95be38500f763175d
Manifest9ac731bbe6fbc30b6d1027ee68bbc69c6b70f7f7fb5018bfae2eb9ba72598b8c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturepapWdT+Ro/LrZ96zdWXz9Tchh1DWNpFf8AhvRx53Cj+Ci6ifvNEFdkhtODrDmLlJsOXsHeZdHSr1cDHTKVy7BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:51.202169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067547
observed 06c76709460f68fd6fed291f5884cd02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.184667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067547/manifest.json
observed 9ac731bbe6fbc30b6d1027ee68bbc69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.169527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067547/publication.md
observed 8b8844a8ecd8f23026fb9ef73d449c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.152809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067547/publication.txt
observed 798741ca664cb79d1f8c6500ab84b1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.